Experts Explain Origins of Topographic Relief on Earth, Mars and Titan (IMAGE)
Caption
These are river networks on Mars, Earth, and Titan. From top to bottom, images span ~100 km on Mars, ~2000 km on Earth, and ~400 km on Titan.
Credit
Credit: Benjamin Black, adapted from images from NASA Viking, NASA/Visible Earth, and NASA/JPL/Cassini RADAR team.
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